If x is the decimal 8.1d5, with d as an unknown digit, and x rounded to the nearest tenth is equal to 8.1, which digits could not be the value of d? [note: no multiple choice options; it's a general question for practicing rounding to the nearest place value] The book states that d cannot be 5, 6, 7...

In doing the homework, I’m finding that a lot of my silly errors are from incorrectly re-writing some aspect of the equation (writing 4 instead of 14 and leaving off that “1”, writing 15 instead of 1/5, etc), either when re-writing the original equation from the book onto my paper, or as I go throug...

A bank account with $100 earns 8% annual interest, compounded quarterly. If there are no deposits or withdrawals, how much money will be in the account after 6 months? [note: there are no multiple choice options; this was part of the strategy explanation for interest formulas] In setting up the equa...

If xyz not equal to 0, is (3x/2) + y + 2z = (7x/2) + y? 1) y = 3 and x = 2 2) z = -x The book (FDP Strategy Guide #1, pg 139, Appendix A on data sufficiency) says the answer is B. I'm struggling to understand why statement 1 by itself isn't sufficient as well (making the answer D), and why it seems ...

Hector remembers San Francisco as it was when he left 10 years ago. as though he had left ten years ago Select (A) if the original version is correct. Select (B) if the boldface version is correct. Select (C) if neither is correct. Select (D) if both are correct. This is question #5 from Strategy Gu...

Many thanks Stacey! I think I fall more into category 1, where I feel very rushed. I guess as I progress through the course, I will get more methodical and be able to better discern which problems to focus on vs. which to bail on.